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Finding the Third Proportional to 1,538,889.75 and 2,640,475.13

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Solution

The third proportional to 1,538,889.75 and 2,640,475.13 is: 4,530,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,889.75 : 2,640,475.13 = 2,640,475.13 : x
  2. Step 2: Convert to fraction form
    1,538,889.75/2,640,475.13 = 2,640,475.13/x
  3. Step 3: Cross multiply
    1,538,889.75x = 2,640,475.13 × 2,640,475.13
  4. Step 4: Simplify right side
    1,538,889.75x = 6,972,108,885,743.77
  5. Step 5: Solve for x
    x = 6,972,108,885,743.77/1,538,889.75
  6. Step 6: Final answer
    x = 4,530,609.74

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These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.